Five Oceans Rectangular Flush-Mount LED Transom/Stern Light (4 3/4" x 2 3/4") FO-2868 CERTIFIED USCG 2 Nautical Miles. This lights meet the requirements of International Marine Organization COLREG 72, USCG, ABYC A-16 NMMA Type Accepted IP67 PROTECTED from immersion between 15 centimeters and 1 meter in depth and protected from total dust ingress FOR USE on boats under 65.5 ft (20 meters) CUTOUT: 1- 7/32" (31mm) x 1- 17/32" (39mm) OPERATING VOLTAGE of 12 Volts and Amperage of 0.1 Amps. Two #8 Fasteners are required for installation (included)